What is the difference between low and high level test
cases? examples please..
Answer Posted / desampsos
First I want to take a look at the definitions given by ISTQB:
Low Level Test case
A Test Case with concrete (implementation level) values for
the input data and expected results. Logical Operators from
high level test cases are replaced by actual values that
correpsond the objectives of the logical operators.
High Level Test Case
A Test Case without concrete (implementation level) values
for the input data and expected results. Logical Operators
are used, instances of the actual values are not yet defined
and/ornot available.
This means that during the Test Anylsis you are creating
high level (logical) test cases as the steps and data are
often not known. Her you are mostly ceating tables and lists
of test cases documenting the result of such test methods as
Equivalence Class Analysis, Boundary Analysis, Decision
Table Analysis etc.
During the Test Realisation you begin refining the TestCase
into a low level test case by describing the pre-requisites,
the test steps, expected result, post requisites and
assigning concrete data values.
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